code: def get_definition_data(self, target_files, rev):
      result = {}
      for definition_file in target_files:
          if os.name == "nt":
              source_file = _normpath(definition_file).replace(
                  "\\", "/"
              )
          else:
              source_file = definition_file
          file_content = (
              self.data.get(rev, {})
              .get("sources", {})
              .get("data", {})
              .get(source_file, {})
              .get("data", {})
          )
          if file_content:
              result[definition_file] = file_content
      return result
  
file_path: dvc/dvc/render/match.py
imports: import os
  from collections import defaultdict
  from typing import TYPE_CHECKING, DefaultDict, Dict, List, NamedTuple, Optional
  import dpath
  import dpath.options
  from funcy import get_in, last
  from dvc.log import logger
  from dvc.repo.plots import _normpath, infer_data_sources
  from dvc.utils.plots import group_definitions_by_id
  from .convert import _get_converter
label_desc: Use image node_id 3 for calling the PlotsData obj's underlying member method code with example usage: obj.get_definition_data(target_files, rev) and returns: result